Password Strength Checker - Test Password Security Online Free

How to Use the Password Strength Checker

1. Type a password — the analysis updates in real-time
2. View strength — visual meter from Weak to Very Strong
3. Read feedback — suggestions to improve your password

All analysis happens locally in your browser. Nothing is sent to any server or stored anywhere.

Features

• Real-time analysis — updates as you type
• Strength meter — visual indicator with color coding
• Character breakdown — uppercase, lowercase, digits, symbols
• Length analysis — minimum length requirements
• Entropy calculation — bits of entropy estimate
• Common patterns — detects sequential, repeated, common passwords
• Improvement tips — actionable suggestions